I just ran into the same problem. Switching form the country server to the central server seem to have worked around the error message.
#Example of change in sources.list after Synaptic repository changed to "Main server" http://za.archive.ubuntu.com/ubuntu/ ->> http://archive.ubuntu.com/ubuntu/ #Error before: The following signatures were invalid: BADSIG 40976EAF437D05B5 Ubuntu Archive Automatic Signing Key <ftpmas...@ubuntu.com> $ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 9.10 Release: 9.10 Codename: karmic Not a ideal situation. -- apt-get update failing with bad signature. https://bugs.launchpad.net/bugs/24234 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
